of this secondary radiation. In order to study the directionality of this effect, Cerenkov designed the experimental setup illustrated in Figure 2 using a conical mirror that reflected incoming radiation against a photographic plate located above a fluid-filled vessel. Photographs of the reflected light represent cases of ordinary luminescence
A sigil (/ËsÉªdÊÉl/; pl. sigilla or sigils; from Latin sigillum seal) is a symbol used in magic. The term has usually referred to a type of pictorial signature of a demon or other entity; in modern usage, especially in the context of chaos magic, it refers to a symbolic representation of the magician's desired outcome.
Austin Osman Spare, illustrated by Michael Robin Cooke. Sigil magic as used in Chaos magic is a technique created by the great Austin Osman Spare. Austin Spare examined magic and occult as practiced at his time and from a pragmatic point of view evaluated what works to manifest results, and what doesn't.